/* * Copyright (C) 2009 Apple Inc. All Rights Reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "JSByteArray.h" #include "JSGlobalObject.h" #include "PropertyNameArray.h" using namespace WTF; namespace JSC { const ClassInfo JSByteArray::s_defaultInfo = { "ByteArray", 0, 0, 0 }; JSByteArray::JSByteArray(ExecState* exec, PassRefPtr structure, ByteArray* storage, const JSC::ClassInfo* classInfo) : JSObject(structure) , m_storage(storage) , m_classInfo(classInfo) { putDirect(exec->globalData().propertyNames->length, jsNumber(exec, m_storage->length()), ReadOnly | DontDelete); } PassRefPtr JSByteArray::createStructure(JSValue prototype) { PassRefPtr result = Structure::create(prototype, TypeInfo(ObjectType)); return result; } bool JSByteArray::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot) { bool ok; unsigned index = propertyName.toUInt32(&ok, false); if (ok && canAccessIndex(index)) { slot.setValue(getIndex(exec, index)); return true; } return JSObject::getOwnPropertySlot(exec, propertyName, slot); } bool JSByteArray::getOwnPropertySlot(ExecState* exec, unsigned propertyName, PropertySlot& slot) { if (canAccessIndex(propertyName)) { slot.setValue(getIndex(exec, propertyName)); return true; } return JSObject::getOwnPropertySlot(exec, Identifier::from(exec, propertyName), slot); } void JSByteArray::put(ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot) { bool ok; unsigned index = propertyName.toUInt32(&ok, false); if (ok) { setIndex(exec, index, value); return; } JSObject::put(exec, propertyName, value, slot); } void JSByteArray::put(ExecState* exec, unsigned propertyName, JSValue value) { setIndex(exec, propertyName, value); } void JSByteArray::getPropertyNames(ExecState* exec, PropertyNameArray& propertyNames) { unsigned length = m_storage->length(); for (unsigned i = 0; i < length; ++i) propertyNames.add(Identifier::from(exec, i)); JSObject::getPropertyNames(exec, propertyNames); } }